well fortified. . .38 caliber handgun, 12 gauge shotgun and bushmaster 23 rifle, the same used in the connecticut school shooting. two firefighters were killed and two others hospitalized. spengler, police say, killed himself. they revealed human remains were found in spengler's burned house and authorities suspect they belong to his missing sister. >> motive is always the question and not sure we will know what's going on in his manned. >> reporter: they suspect his 91-year-old mother's death and donation she made to this fire department could help explain the motive for christmas eve shootings. >>> former president grge w.h. bush remained in christmas where he spent time with family. the 41st president surfaced setbacks in his recovery and why they could not release him for christmas as hoped to do originally. the 88-year-old former president has been hospitalized since thanksgiving for what was initially described as a bronchitis type cough. in weeks since he became weak and developed a fever and doctors are cautiously optimistic he will recover. >>> we return to our meteorologist. when you ta